Home / 91,979.48-137,986.34-32,005.46

Finding the Fourth Proportional to 91,979.48, 137,986.34 and 32,005.46

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Solution

The fourth proportional to 91,979.48, 137,986.34 and 32,005.46 is: 48,014.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,979.48 : 137,986.34 = 32,005.46 : x
  2. Step 2: Convert to fraction form
    91,979.48/137,986.34 = 32,005.46/x
  3. Step 3: Cross multiply
    91,979.48x = 137,986.34 × 32,005.46
  4. Step 4: Simplify right side
    91,979.48x = 4,416,316,470.35
  5. Step 5: Solve for x
    x = 4,416,316,470.35/91,979.48
  6. Step 6: Final answer
    x = 48,014.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.